- Enhanced 'Alle Unterstützungen' view with IBAN and Verwendungszweck columns for better payment tracking
- Updated export functions to handle both legacy 'selected_fields' and new 'fields' parameters
- Added IBAN and Verwendungszweck to default export field selections
- Improved destinataer list UI by adding Status column and removing obsolete study proof field
- Fixed infinite growing animation bug in 'Größen der Grundstücke (Top 30)' chart by replacing Chart.js with CSS-based implementation
- Removed Bootstrap h-100 class conflicts that caused chart resize loops
- Add inline edit mode to destinataer detail view with AJAX save/cancel
- Fix form validation by aligning select choices with model definitions
- Update Destinataer model to make familienzweig and berufsgruppe optional
- Fix StiftungsKonto integration in forms and views
- Redesign destinataer list view with new column layout:
* Vorname, Nachname, E-Mail, Vierteljährlicher Betrag
* Letzter Studiennachweis, Unterstützung bestätigt, Aktionen
- Improve form styling and user experience
- Add proper field validation and error handling
- Enhance UI with better badges, icons, and formatting
